casement window installation specialists in Exeter
Finding reliable casement window installation installers in Exeter just got easier. Pro-Fit Window Systems works with a vetted network of FENSA-registered specialists across Devon who compete for your business — at no cost to you.
Whether you're replacing a single window or upgrading your entire home, we match you with up to 3 trusted local specialists — so you can compare prices and choose the best deal. The average homeowner in South West England saves £372–£1,116 by comparing quotes rather than accepting the first offer.
Casement Windows prices in Exeter 2026
Here's a guide to what you can expect to pay for casement window installation in Exeter. All prices are installed costs — use our free tool to get your exact local quote.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £326 | £651 |
| Casement (large) | £465 | £837 |
| Sash Window | £558 | £1,023 |
| Bay Window (3-panel) | £1,116 | £2,976 |
| Tilt & Turn | £372 | £698 |
* Prices are estimates for Exeter based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Exeter →FAQs — Casement Windows in Exeter
What is the price of casement window installation in Exeter?
Installed casement window installation costs in Exeter start from around £326 per window and can reach £2,976 for larger bay units. Devon prices are in line with the national average. Getting multiple quotes through our free service is the most reliable way to establish an exact budget.
How many days will my casement window installation installation take?
For most Exeter properties, window installation takes between one and three days. Replacing a single window can be completed in half a day. Your Devon installer will carry out a free survey before the job and give you a precise timeline.
Are the window fitters in Exeter properly certified?
Absolutely. FENSA registration is a mandatory requirement for all companies in our Exeter network. It certifies that installers meet UK Building Regulations standards and automatically includes a 10-year insurance-backed guarantee on every job.
Can I replace my windows in Exeter without planning consent?
Most standard window replacements in Exeter are covered by permitted development rights and require no planning application. If your property is listed or sits within a conservation area in Devon, additional consent from the local council may be needed — your installer can guide you through this.